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Sulfuric acid magnesium salt (1:1) → 2-({2-[(5,6-dihydro-[1,4,2]dioxazin-3-yl)-methoxyimino-methyl]-benzylidene}-hydrazono)-1-phenylpropan-1-one O-methyl oxime

HRID 2229130
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2229130
[CH3:1][O:2][N:3]=[C:4]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1)[C:5](=[N:7][NH2:8])[CH3:6].[O:15]1[CH2:20][CH2:19][O:18][C:17]([C:21](=[N:30][O:31][CH3:32])[C:22]2[CH:29]=[CH:28][CH:27]=[CH:26][C:23]=2[CH:24]=O)=[N:16]1.S([O-])([O-])(=O)=O.[Mg+2]>C(O)C>[CH3:1][O:2][N:3]=[C:4]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1)[C:5](=[N:7][N:8]=[CH:24][C:23]1[CH:26]=[CH:27][CH:28]=[CH:29][C:22]=1[C:21]([C:17]1[O:18][CH2:19][CH2:20][O:15][N:16]=1)=[N:30][O:31][CH3:32])[CH3:6]
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Komponenten

5

Edukt 3

HCID 24083Sulfuric acid magnesium salt (1:1)HCID 542963122-[(5,6-Dihydro-[1,4,2]dioxazin-3-yl)-methoxyimino-methyl]-benzaldehydeHCID 572718472-hydrazono-1-phenylpropan-1-one O-methyl oxime

Produkt 1

HCID 725917742-({2-[(5,6-dihydro-[1,4,2]dioxazin-3-yl)-methoxyimino-methyl]-benzylidene}-hydrazono)-1-phenylpropan-1-one O-methyl oximeAusbeute 41,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 702EthanolLösungsmittel

Versuchsvorschrift

1 g (0.0052 mol) of 2-hydrazono-1-phenylpropan-1-one O-methyl oxime is heated under reflux at the boiling point in 5 ml of ethanol with 1.3 g (0.0052 mol) of 2-[(5,6-dihydro-[1,4,2]dioxazin-3-yl)-methoxyimino-methyl]-benzaldehyde and 5 g of anhydrous magnesium sulphate for 1 hour. The reaction mixture is poured onto water and extracted with diethyl ether, the organic phase is dried over sodium sulphate and the solvent is distilled off in vacuo. The residue is stirred with diethyl ether and the crystals formed are filtered off. The solid is chromatographed over silica gel with diethylether/petroleum ether/methylene chloride (2:1:1). 0.9 g (40.8% of theory) of crystalline 2-({2-[(5,6-dihydro-[1,4,2]dioxazin-3-yl)-methoxyimino-methyl]-benzylidene}-hydrazono)-1-phenylpropan-1-one O-methyl oxime of melting point 136° C. is obtained.

Aufarbeitung

  1. additionThe reaction mixture is poured onto water
  2. extractionextracted with diethyl ether
  3. dry with materialthe organic phase is dried over sodium sulphate
  4. distillationthe solvent is distilled off in vacuo
  5. customthe crystals formed
  6. filtrationare filtered off
  7. customThe solid is chromatographed over silica gel with diethylether/petroleum ether/methylene chloride (2:1:1)

Quellen und Nachweise

ORD-Eintrag
ord-a385d8404f66438298dafa7c5595ac41
Quelldatensatz
uspto-grants-2002_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06420362B1

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